Bicycle handlebar stem



FIG. 1 is a top view of a bicycle handlebar showing my new design.

FIG. 2 is a side view of the bicycle handlebar stem.

FIG. 3 is a bottom view of the bicycle handlebar stem.

FIG. 4 is a side view (opposite FIG. 2) of the bicycle handlebar stem.

FIG. 5 is a rear view of the bicycle handlebar stem; and,

FIG. 6 is a front view of the bicycle handlebar stem. 

The ornamental design for a bicycle handlebar stem, as shown and described. 